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A Numerical Approach for Multicomponent Vapor Solid Equilibrium Calculations in Gas Hydrate Formation
作者姓名:Alireza  Bahadori
作者单位:Department of
摘    要:A new numerical approach has been developed for vapor solid equilibrium calculations and for predicting vapor solid equilibrium constant and composition of vapor and solid phases in gas hydrate formation. Equation of state methods generally do a good job of determining vapor phase properties, but for solid phase it is much more difficult and inaccurate. This proposed new model calculates vapor solid equilibrium constant and vapor and solid phase composition as a function of temperature and partial pressure. The results of this proposed numerical approach, for vapor solid equilibrium, have a good agreement with the available reported data. This new numerical model also has an advantage to tune coefficients, to cover different sets of experimental data accurately.

关 键 词:天然气水合物  形成条件  多组分蒸气-固体平衡  数值模型
收稿时间:2006-09-01
修稿时间:2006-11-06

A Numerical Approach for Multicomponent Vapor Solid Equilibrium Calculations in Gas Hydrate Formation
Alireza Bahadori.A Numerical Approach for Multicomponent Vapor Solid Equilibrium Calculations in Gas Hydrate Formation[J].Journal of Natural Gas Chemistry,2007,16(1):16-21.
Authors:Alireza Bahadori
Institution:aDepartment of Petroleum Engineering, National Iranian South Oil Co., Ahwaz, P.O.Box 61735-1333, Iran
Abstract:A new numerical approach has been developed for vapor solid equilibrium calculations and for predicting vapor solid equilibrium constant and composition of vapor and solid phases in gas hydrate formation. Equation of state methods generally do a good job of determining vapor phase properties,but for solid phase it is much more difficult and inaccurate. This proposed new model calculates vapor solid equilibrium constant and vapor and solid phase composition as a function of temperature and partial pressure. The results of this proposed numerical approach, for vapor solid equilibrium, have a good agreement with the available reported data. This new numerical model also has an advantage to tune coefficients, to cover different sets of experimental data accurately.
Keywords:numerical model  vapor solid equilibrium  hydrate  multicomponent system
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